355213331445545 has 16 divisors (see below), whose sum is σ = 438703334435520. Its totient is φ = 275988499773504.

The previous prime is 355213331445541. The next prime is 355213331445683. The reversal of 355213331445545 is 545544133312553.

It is a cyclic number.

It is not a de Polignac number, because 355213331445545 - 2² = 355213331445541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (355213331445541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7253668214 + ... + 7253717183.

It is an arithmetic number, because the mean of its divisors is an integer number (27418958402220).

Almost surely, 2^{355213331445545} is an apocalyptic number.

It is an amenable number.

355213331445545 is a deficient number, since it is larger than the sum of its proper divisors (83490002989975).

355213331445545 is a wasteful number, since it uses less digits than its factorization.

355213331445545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14507385544.

The product of its digits is 32400000, while the sum is 53.

The spelling of 355213331445545 in words is "three hundred fifty-five trillion, two hundred thirteen billion, three hundred thirty-one million, four hundred forty-five thousand, five hundred forty-five".